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1. |
Stan the Hot Dog Man sells 100 hot dogs per day for $2 each, so his daily revenue is $200. He estimates that for every 25 cents he increases the price of a hot dog, he will sell 5 fewer. What range of prices can he charge so that his daily revenue is at least $225? |
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A. |
$3.00-$4.50 |
B. |
$2.00-$4.00 |
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C. |
$2.50-$4.50 |
D. |
$2.25-$2.50 |
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Hint |
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2. |
Find the value of cos 62° to the nearest ten-thousandth. |
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A. |
0.4695 |
B. |
0.8829 |
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C. |
1.8807 |
D. |
0.8988 |
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Hint |
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3. |
Solve . Round measures of sides to the nearest tenth and measures of angles to the nearest degree. |
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A. |
A = 72°, b = 1.3, c = 4.1 |
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B. |
A = 72°, b = 3.9, c = 4.1 |
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C. |
A = 72°, b = 1.3, c = 3.9 |
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D. |
A = 72°, b = 4.1, c = 1.3 |
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Hint |
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4. |
A school flagpole casts a 16-foot shadow on the lawn. A teacher stood at the shadow's edge and measured the angle of elevation to the top of the pole at 42°. How tall is the pole? |
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A. |
17.8 ft |
B. |
12 ft |
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C. |
5.6 ft |
D. |
14.4 ft |
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Hint |
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5. |
Find the exact value of sin 405°. |
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A. |
 |
B. |
 |
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C. |
- 1 |
D. |
 |
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Hint |
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6. |
The amount of work done by James and his relative distance to Samuel is inversely related. When James is 6 feet away from Samuel, he can get 13 assignments done per hour. How many assignments can James get done when he is 52 feet away from Samuel? |
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A. |
24 assignments |
B. |
112.7 assignments |
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C. |
59 assignments |
D. |
1.5 assignments |
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Hint |
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7. |
If tan A = 0.75, what is cos A? |
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A. |
 |
B. |
 |
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C. |
4 |
D. |
 |
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Hint |
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8. |
What is the reference angle of 240°? |
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A. |
120° |
B. |
60° |
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C. |
–120° |
D. |
–60° |
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Hint |
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9. |
What is the period for the graph  |
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A. |
720° |
B. |
45° |
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C. |
360° |
D. |
180° |
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Hint |
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10. |
What is the period and amplitude for the graph  |
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A. |
period is 180°amplitude is 2 |
B. |
period is 360°amplitude is 1 |
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C. |
period is 60°amplitude is 1 |
D. |
period is 360°amplitude is 2 |
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Hint |
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